• 1. (2022·江苏模拟) 将数学表达式转换成Python表达式下面选项正确的是(      )

  A . x=-b+math. sqrt(b^2-4+a+c)/2a B . x=-b+math. sqrt(b*2-4ac)/2*a C . x=-b+math. sqrt(b*b-4ac)/(2*a) D . x=(-b+math. sqrt(b**2-4*a*c))/(2*a)